body{
    margin: 0;
    padding: 0;
    background-color: #feeeed;
}

.Picture{
    height: 55%;
    width: 60%;
    background-color: #FFF;
    margin: 30px auto;
}

#BigPicture{
    width: 100%;
    margin: 0 auto;
    /* border: 1px solid red; */
}

#BigPicture > img{
    height: 100%;
    width: 100%;
    margin-bottom: 1%;
}

.Picture #smallPicture{
    background-color: #f391a9;
    height: 100%;
    width: 100%;
    /*去掉列表的外观*/
    list-style: none;
    padding:1px;
    overflow: hidden;
}

#smallPicture li{
    height: 100%;
}

#smallPicture img{
    height: 20%;
    width: 20%;
    float: left;
}